Home / 7,991.28-11,986.29-2,444.67

Finding the Fourth Proportional to 7,991.28, 11,986.29 and 2,444.67

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Solution

The fourth proportional to 7,991.28, 11,986.29 and 2,444.67 is: 3,666.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,991.28 : 11,986.29 = 2,444.67 : x
  2. Step 2: Convert to fraction form
    7,991.28/11,986.29 = 2,444.67/x
  3. Step 3: Cross multiply
    7,991.28x = 11,986.29 × 2,444.67
  4. Step 4: Simplify right side
    7,991.28x = 29,302,523.57
  5. Step 5: Solve for x
    x = 29,302,523.57/7,991.28
  6. Step 6: Final answer
    x = 3,666.81

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.